Tcpreplay is a suite of free Open Source utilities for editing and replaying previously captured network traffic. It can replay malicious traffic patterns to Intrusion Detection/Prevention Systems and also replay to web servers. It supports switches, routers, and IP Flow/NetFlow appliances. It provides various tools such as tcpreplay, tcprewrite, tcpreplay-edit, tcpprep, tcpbridge, tcpliveplay, and tcpcapinfo, each with its own specific functionality. Tcpreplay can be used to test network devices, simulate traffic, and analyze network performance.
FEATURES
ALTERNATIVES
A tool to search for Sentry config on a page or in JavaScript files and check for blind SSRF
A next-generation network scanner for identifying security configuration weaknesses in devices like routers, firewalls, and switches.
pfSense is a leading open source firewall and network security solution, providing advanced protection and connectivity options.
Cilium is a networking, observability, and security solution with an eBPF-based dataplane.
PFQ v6.2 is a functional framework for Linux optimized for efficient packet capture/transmission and in-kernel processing.
CapTipper is a python tool to analyze, explore, and revive HTTP malicious traffic.
DenyHosts is a script to block SSH server attacks by automatically preventing attackers after failed login attempts.
PINNED

InfoSecHired
An AI-powered career platform that automates the creation of cybersecurity job application materials and provides company-specific insights for job seekers.

Mandos Brief Newsletter
A weekly newsletter providing cybersecurity leadership insights, industry updates, and strategic guidance for security professionals advancing to management positions.

CTIChef.com Detection Feeds
A tiered cyber threat intelligence service providing detection rules from public repositories with varying levels of analysis, processing, and guidance for security teams.

OSINTLeak
OSINTLeak is a tool for discovering and analyzing leaked sensitive information across various online sources to identify potential security risks.

ImmuniWeb® Discovery
ImmuniWeb Discovery is an attack surface management platform that continuously monitors an organization's external digital assets for security vulnerabilities, misconfigurations, and threats across domains, applications, cloud resources, and the dark web.

Checkmarx SCA
A software composition analysis tool that identifies vulnerabilities, malicious code, and license risks in open source dependencies throughout the software development lifecycle.

Orca Security
A cloud-native application protection platform that provides agentless security monitoring, vulnerability management, and compliance capabilities across multi-cloud environments.

DryRun
A GitHub application that performs automated security code reviews by analyzing contextual security aspects of code changes during pull requests.